# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        黄周云  
# Name:         test11
# Description:  检查某个值是否属于一个序列
# Author:       ASUS
# Date:         2019/1/22
#-------------------------------------------------------------------------------


str="i love you"
print('you' in str)                      #True
print('hello' in str)                    #False
print('hello' not in str)                #True
names=["Bill","Mike","John"]
print("Mike" in names)                   #True
print("Mary" in names)                   #False



